Color

#404668

#404668
hex#404668
rgbrgb(64, 70, 104)
hslhsl(231, 24%, 33%)
oklchoklch(0.404 0.058 275.8)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0647

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#686240

#405a68 · #4e4068

#684046 · #466840

Split-complementary

Open in tool →

#684e40 · #5a6840

#68405a · #686240 · #40684e

Contrast

#404668 as textRatioAAAA largeAAAFix
Aaon white
9.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #6a73a4 as the text (4.6:1)
  • AAA: use #8d94b9 as the text (7.07:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404668 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #404668
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #404668 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404668-9c9ec4-df834e-231f2d-e9eef1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md